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The implemental standards for the oil casings are API 5CT; the specifications include from 60.3 to 508mm; the steel grades include J55, K55, N80, L-80, P-110, C-90, C - 95, T-95 and so on; the merchantable claspers are STC , LTC, BTC .
BTC,LTC,STC Tubing
TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO.LTD
